Why money?

We take a look at economic activity by nonhumans, and the Incas, with a large empire that never used money.

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Here are some links about gift giving in the animal kingdom.

Do Animals Give Gifts?

Why Dolphins Bring Humans “Gifts” From the Sea at Australian Café

Gift giving crows

And here’s more info about the Incas, and the large empire they controlled that never used money.

Inka Economy

Economy of the Inca Empire